Crane and Griffin, 1972: 167-168
Crane and Griffin, 1972: 167-168
Samples that cite this reference
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| M-2064 | 20EM-? (Ponshewaing Point) | MI | 1760 ± 130 | -25.0 |
| M-2399 | 20EM-? (Ponshewaing Point) | MI | 1600 ± 130 | -25.0 |
| N-1265 | 20EM-? (Ponshewaing Point) | MI | 3030 ± 95 | -25.0 |